acpi_ex_system_do_sleep  300 drivers/acpi/acpica/acinterp.h acpi_status acpi_ex_system_do_sleep(u64 time);
acpi_ex_system_do_sleep  141 drivers/acpi/acpica/exoparg1.c 		status = acpi_ex_system_do_sleep(operand[0]->integer.value);